Burner for self-heating sad-irons.



Patented Jan. 30, I900.

I a. :4. mm. BURNER FDR SELF HEATING SAD IRONS.

(Application filed May 27. 1899.)

(No Model.)

. Pnorouruo. v/Asnwamm u c UNITED STATES PATENT Qrrrcs.

GEORGE'M. URIE, OF KANSAS CITY, MISSOURI.

BURNER FOR SELF-HEATING SAD-IRONS.

SPECIFICATION forming part of Letters Patent No. 642,511, dated January 30, 1900. Application filed May 27,1899. Serial No. 718,501. (No model.)

T to whom, it may concern:

Be it known that I, GEORGE M. URIE, acitizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented certain new and useful Improvements in Burners for Self-Heating Sad-Irons, of which the following is a specification.

This invention relates to improvements in sad-irons, and more particularly to self-heaters or irons carrying their own source of heat.

The objects of the invention are to provide a cheap and practicable sad-iron to be quickly and safely heated by a vaporous fluid, such as gasolene or the like, drawn from a reservoir carried by the iron, and to provide an efficient burner therefor, with means for reducing the fluid to a gas or vapor before it reaches the flame-orifices in the burner, and means for controlling the flow of both fluid and gas or vapor. v

With these and other objects andadvantages in view the invention consists in the novel and useful combinations and arrangement of parts hereinafter clearly described, and particularly pointed out in the claims hereto annexed.

In the drawings forming a part of this specification and illustrating the invention, Figure 1 is a longitudinal sectional view of my improved self-heating sad-iron. Fig. 2-is a transverse sectional view on the line 2 2 of Fig. 1. Fig. 3 is an enlarged detail sectional view on the line 3 3 of Fig. 1. Fig. 4 isa detail view of the reservoir and modified form of cut-off.

Like letters of reference denote like parts in the several figures of the drawings.

A represents the body of the iron, which is provided with a removable top B, secured to which is a handle 0 in the semicircular form shown in the drawings or of any other preferred shape. The front of the top is beveled across the edge, as at b, to fit under and be secured by the keeper a. Alug b, depending from the under surface of the top near its rear edge, fits snugly against the interior contiguous wall of the iron and is recessed to receive a set-screw b which looks the top securely in position. Suspended from the under surface of said top B by one or more screws 19 and spaced from the said top to permit the free circulation of air is a plate or shield D, which is designed to protect the bottom of the iron top from the flame and prevent the same from becoming heated.

The body of the iron is hollow and is substantially oval in shape. It is provided with a series of draft-openings a near the bottom and with two recesses or cut-away portions a one at each side at its upper edge. De-

pending in-to each-recess is a flange formed I on each side of the iron top, which said flange is smaller in its dimensions than the said recess, thereby forming an upper draft-opening a The long edge of this recess may be beveled, as shown in cross-section, to better fa cilitate combustion.

At the front of the iron is located the reservoir or supply-tank F to receive the vaporous fluid. This reservoir is supported on the upturned portion of a bent tube E, which is screw-threaded and fitted into an opening e in the front of the iron approximately at the center thereof. This end of the tube projects some distance inside of the iron. On the outside of this end E is threaded the end of a tube G, which extends horizontally through the chamber formed in the iron and rests at its other end in an opening e, which registers with the opening e in the front of the iron. This arrangement of openings alined with each other and means of connecting the supply-pipe to the burner permits the latter to be removed for the purpose of cleaning it or renewing any of its parts. Into this portion E of the pipe E is threaded a tube H,of smaller diameter, somewhat shorter than the larger tube G, before mentioned, and the end thereof which does not extend to the opening 6 is provided with a plug or closure h, havinga fu nnel-shaped centralperforation h for a purpose hereinafter to be described. Between the tubes G and H, which are preferably formed of metal, is a small gas-space or annular chamber, and therein is fitted a lining or tube, of foraminated mateshort of the perforated plug h. Between this short interior tube I and the intermediate tube H and surrounding the said tube I in a manner similar to the tube II is alining 77. of foraminated material, preferably wire fabric of fine mesh, the same as g.

Passing through the opening 6 and threaded into the end of the outer tube G is a plug K, through which passes a threaded pin 75, having a conical interior end which registers with the funnel shaped opening or perforation in the end of the intermediate tube H. The exterior end of this pin 7;; is squared, and a key (not shown) is used upon this end to manipulate the pin and to open and close the perforation h in an obvious manner. Suitable packing surrounds the pin 70 and is kept in place by the packingnut 7c. This valve serves to regulate the flow of gas to the flameorifices.

The feed-pipe E is tightly packed or filled with cotton wick E. This wick extends down to the bottom of the reservoir and serves by capillary attraction to draw the oil out of the same and feed it to the burner. The oil passes through the entire length of foraminated material surrounding the inner tube, under great heat, and to the opposite end of the same, where the valve is open. When the opening h is very small, the oil is converted into gas orvapor before it reaches the outside, where it is superheated. It flows between the telescoped tubes G and H very slowly, owing to the presence of the wire fabric. The gas, which is now highly superheated by its passage through the fabric g, escapes with considerable resistance through a series of jet-openings or flame-orifices g I along the bottom of the outer tube G, where it is ignited, and the flame plays upon and heats the bottom of the iron A. As shown, these jet-openings are arranged in three lines; but more or less may be used.

To cut off the supply of fluid, I employ a.

valveE located in the center of the top E of the reservoir. This valve passes through a threaded plug E and its lower end, which is pointed or conical in shape, registers with the top of the open feed-pipe E. By means of the milled head of this valve the conical point may be forced into the wick at this point and by powerfully compressing the same may entirel'y prevent the flow or by varying the pressure on the same may regulate the fiow of the fluid. I may locate a cutoff valve on the outside of this reservoir, however, and have illustrated the same in the detailed view, Fig. 4, where a cut-off E may be placed in the pipe E at the point where it emerges from the bottom of the reservoir. This cut-off consists of a stem 6, threaded into the pipe, and a disk e on the interior end thereof. By turning this disk horizontally pressure is exerted upon the wick to stop the flow of fluid. It is obvious that this cut-off may be located at any point along the section of the pipe E.

This construction insures the feeding of fluid through the feed -tube to the burner in a regular and uniform flow, and the reservoir can be efiectually drained thereby. With this construction there is no requirement of air-pressure, thereby rendering the operation of the iron perfectly safe. It also prevents overheating the oil in the reservoir, which would thereby boil and which is to be prevented. Where the oil in the reservoir boils, all organic matter in the same is precipitated and usually locates about the cutoif and chokes the flow.

I do not desire to limit myself to the precise details of construction or arrangement of parts herein shown and described, but reserve to myself the right and privilege to alter the same within the bounds of mechanical ingenuity without departing from the spirit of my invention.

Having thus fully described myinventiou, what I claim as new, and desire to secure by Letters Patent of the United States, is

1. A burner adapted for connection with a fluid-supply pipe and comprising a closed tube provided with flame-orifices along its body leading to a chamber within the tube, a second chamber within said tube communicating at one end with the first-named chamber and at the other end with the fluid-supply pipe, foraminated material in each chamber through which the fluid percolates in its passage from one chamber to the other and a cut-off for said burner.

2. A burner adapted for connection with'a fluid-supply pipe and comprising a closed tube provided along its body with flame-orifices leading to a chamber within the tube, a second chamberwithin the tube, concentric with the first-named chamber and in its interior, said interior chamber communicating at one end with the first-named or exterior chamber and at the other end communicating with the fluid-supply pipe, foraminated ma terial in each chamber through which the fluid percolates in its passage from one chamber to the other and a cut-01f for said burner.

3. The combination with a wick-containing fluid-supply pipe of a burner adapted for connection therewith and comprising a closed tube provided along its body with flame-orifices leading to a chamber within the tube, a second chamber within the tube, communicating at one end with the first-named chamber and at the other end with the fluid-supply pipe, foraminated material in each chamher through which the fluid percolates in its passage from one chamber to the other and a cut-oif for said burner.

4. The combination with a wick-containing fluid-supply pipe,of a burner adapted for connection therewith and comprising a closed tube provided along its body with flame-orifices leading to a chamber within the tube, a second chamber located interiorly of the firstnamed chamber and concentric therewith, said interior chamber'communicating at one end with the exterior chamber and at the other end with the fluid-supply pipe, foraminated material in each chamber through which the fluid percolates in its passage from one chamber to the other and a cut-off for said burner.

5. The combination with a wick-containing fluid-supply pipe of a burner adapted for connection therewith and comprising a closed tube provided along its body with flame-orifices leading to a chamber within the tube, a second chamber within the tube communicating at one end with the first-named chamber and at the other end with the fluid-supply pipe, foraminated material in each chamber through which the fluid percolates in its passage from one chamber to the other, a fluid cut-off, and a gas cut-off for said burner.

6. The herein-described burner for selfheating sad-irons, consisting of a series of telescoped tubes, jet-openings in the outer tube, annuli of foraminated material separating said tubes, and a valve for the end of the intermediate tube, the stem of which extends through a closure in the adjacent end of the outer tube.

In testimony whereof I affix my signature in presence of two witnesses.

GEORGE M. URIE.

Witnesses:

W. B. PHILLIPS, L. H. INGRAHAM. 

